Answer:
Step-by-step explanation:
2^3+4^2
2(2)2+4(4)
8+16
24
Answer:
x=-1
Step-by-step explanation:
Answer:
The length is APPROXIMATELY equal to 12.4.
Step-by-step explanation:
Use the converse of the Pythagorean Theorem (
+
=
[where "c" is both the longest side and the hypotenuse]) since a rectangle's diagonals will always cut it into two right triangles:


169-16=153.
≈ 12
or

or if the problem has to be exact (using radicals)
3*
I hope this helps ;)
Well we know 4% is just 4/100.
So 20 = 4/100.
Let's find out what 1/100 is and multiply that by 100:
20/4 = 5.
So 1/100 = 5.
5*100 = 500.